2019907935

素因数分解:

$3^4\times 5^1\times {\mathrm{4987427}}^1$

素因数の和:4987444

約数の個数: 20

約数和(自身を含む): 3620872728

約数和(自身を除く): 1600964793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4987427, 14962281, 24937135, 44886843, 74811405, 134660529, 224434215, 403981587, 673302645, 2019907935]

約数ペア:

[(1, 2019907935), (3, 673302645), (5, 403981587), (9, 224434215), (15, 134660529), (27, 74811405), (45, 44886843), (81, 24937135), (135, 14962281), (405, 4987427)]